Hadn’t it rained, it wouldn’t have been so bad.

A. It was so bad because it didn’t rain
B. it rained and so it wasn’t bad
C. it wasn’t bad because it rained
D. it rained and that made it so bad

Correct Answer: Option D

D. it rained and that made it so bad

Explanation

The usage of the anomalous verb ‘had’ alongside with the negatives; ‘not’ and that in ‘wouldn’t’ means that, it actually rained and that didn’t make things good or go as it would have been preferred.